sim/
sim/operation/
sim/operation/sound/
sim/operation/sound/amb_urban_low_far_ratio[4]
float
in unspecified units
sim/operation/sound/amb_urban_low_near_ratio[4]
float
in unspecified units
sim/operation/sound/amb_urban_town_far_ratio[4]
float
in unspecified units
sim/operation/sound/amb_urban_town_near_ratio[4]
float
in unspecified units
sim/operation/sound/copilot_volume_ratio
float
in 0-1
Volume level for the copilot talking (on missions), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/engine_volume_ratio
float
in 0-1
Volume level for engine sound effects, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/enviro_volume_ratio
float
in 0-1
Volume level for environmental sound effects (thunder, rain, wind), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/exterior_volume_ratio
float
in 0-1
Volume level for external sound effects (like engine and prop), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/fan_volume_ratio
float
in 0-1
Volume level for the avionics fan, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/ground_volume_ratio
float
in 0-1
Volume level for ground contact effects, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/has_sound
int
as a boolean
Does this machine have sound hardware that X-Plane understands?
sim/operation/sound/has_speech_synth
int
as a boolean
Does this machine have speech synth capabilities?
sim/operation/sound/inside_any
int
as a boolean
True if the camera is inside ANY of the defined sound volumes for the aircraft.
sim/operation/sound/inside_ratio[64]
float
in 0-1
1 if we are in this space, 0 if outside, and a fraction as we transition through the borer region
sim/operation/sound/interior_volume_ratio
float
in 0-1
Volume level for internal sound effects (like warnings and cautions), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/master_sound_volume
float
in 0-1
Master audio level in X-Plane - broken in late v8, no master volume exists.
sim/operation/sound/master_volume_ratio
float
in 0-1
Master Volume
sim/operation/sound/pilot_volume_ratio
float
in 0-1
Volume level for the pilot talking (on missions), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/prop_volume_ratio
float
in 0-1
Volume level for propeller sound effects, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/radio_chatter_on
int
as a boolean
Turn off background radio chatter
sim/operation/sound/radio_copilot_audio_panel_volume_ratio
float
in 0-1
Volume level for the com radios through the copilot audio panel, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/radios_are_copilot
int
as a boolean
Whether the headset is plugged into the pilot's or copilot's audio jack.
sim/operation/sound/radio_volume_ratio
float
in 0-1
Volume level for the com radios, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/sound_on
int
as a boolean
Is sound on (set by user)
sim/operation/sound/speech_on
int
as a boolean
Is speech synth on (set by user)
sim/operation/sound/ui_volume_ratio
float
in 0-1
Volume level for UI sound effects (clicks), ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/users_canopy_open_ratio
float
as a ratio
Canopy position: 0 = closed, 1 = open - these ALWAYS reflect the USER's plane (even when used on an AI) so they are appropriate for SOUND MIXING.
sim/operation/sound/users_door_open_ratio[20]
float
as a ratio
How open is the door, 0 = closed, 1 = open - these ALWAYS reflect the USER's plane (even when used on an AI) so they are appropriate for SOUND MIXING.
sim/operation/sound/warning_volume_ratio
float
in 0-1
Volume level for warning systems, ratio from 0 (silent) to 1 (max loudness)
sim/operation/sound/weather_volume_ratio
float
in 0-1
Volume level for weather sound effects, ratio from 0 (silent) to 1 (max loudness)
sim/operation/windows/
sim/operation/windows/system_window
int
in HWND
X-Plane's system native window as an int (either an HWND or WindowRef pre 102)
sim/operation/windows/system_window_64[2]
int
in HWND
X-Plane's system native window as an array of two ints - low 32 bits first (either an HWND or WindowRef)
sim/physics/
sim/physics/double_pi
float
in radians
pi * 2
sim/physics/earth_mu
float
in m^3/s^2
The earth's mass-gravity constant
sim/physics/earth_pressure_p
float
in pascals
average pressure at sea level, current planet
sim/physics/earth_radius_m
float
in meters
Earth's radius
sim/physics/earth_temp_c
float
in celsius
Average sea level temp, current planet
sim/physics/g_sealevel
float
in unspecified units
gravitational acceleration of earth AT SEA LEVEL
sim/physics/half_pi
float
in radians
pi / 2
sim/physics/mars_mu
float
in m^3/s^2
Mars's mass-gravity constant
sim/physics/mars_pressure_p
float
in pascals
average pressure at sea level, mars
sim/physics/mars_radius_m
float
in meters
Mars' radius
sim/physics/mars_temp_c
float
in celsius
Average sea level temp on Mars (sea?)
sim/physics/metric_press
int
as a boolean
Are we showing metric pressure indications
sim/physics/metric_temp
int
as a boolean
Are we showing metric temperature indications
sim/physics/mu_air
float
in unspecified units
viscosity of air for Re determination
sim/physics/pi
float
in radians
pi - Austin sez plugins may no longer change the value of PI.
sim/physics/R
float
in unspecified units
R (gas constant)
sim/physics/rho_sea_level
float
in unspecified units
rho at sea level, current planet
sim/physics/rho_water
float
in unspecified units
rho of water
sim/physics/speed_light_m_sec
float
in m/sec
speed of light; do not exceed!
sim/test/
sim/test/test_float
float
as a ratio
This test dataref is used internally for testing our models
sim/time/
sim/time/backwards
int
as a boolean
A prefs setting, indicating that the plane is on the reverse end of the runway it starts up on.
sim/time/framerate_period
float
in seconds
Smoothed time to draw each full sim frame in seconds. This is 1.0 / FPS.
sim/time/gpu_time_per_frame_sec_approx
float
in seconds
An approximate estimate of GPU time spent per each frame in seconds. Note that it can be RADICALLY wrong if anything is done wrong by plugins or the driver is weird. It's for entertainment value only!!!
sim/time/ground_speed
int
as a ratio
The multiplier on ground speed, for faster travel via double-distance
sim/time/ground_speed_flt
float
as a ratio
The multiplier on ground speed, as float value, for faster travel via double-distance
sim/time/hobbs_time
float
in seconds
elapsed time on the Hobbs meter
sim/time/is_in_replay
int
as a boolean
true if we are in replay mode, false if we are flying
sim/time/local_date_days
int
in days
Date in days since January 1st
sim/time/local_time_sec
float
in seconds
Local time (seconds since midnight??)
sim/time/paused
int
as a boolean
Is the sim paused? Use cmd keys to change this.
sim/time/sim_speed
int
as a ratio
The multiplier for real-time...1 = realtime, 2 = 2x, 0 = paused, etc.
2024-04-28pbuck:
Updated by sim/operation/flightmodel_speed_change command.
sim/time/sim_speed_actual
float
as a ratio
The actual time-speed increase the sim has achieved - takes into account fps limiting.
2024-04-28pbuck:
Is NaN when sim is paused.
sim/time/sim_speed_actual_ogl
float
as a ratio
The actual time-speed increase the sim has achieved - takes into account fps limiting and time dilation if fps<19.
sim/time/timer_elapsed_time_sec
float
in seconds
Total time elapsed on the timer
sim/time/timer_is_running_sec
int
as a boolean
Is the timer running?
sim/time/total_flight_time_sec
float
in seconds
Total time since the flight got reset by something
2024-05-02pbuck:
Changing user aircraft or changing airport will reset flight_time to zero.
sim/time/total_running_time_sec
float
in seconds
Total time the sim has been up
2024-04-28pbuck:
Value does not increment when sim is paused.
sim/time/use_system_time
int
as a boolean
Use system date and time for local time
sim/time/zulu_time_sec
float
in seconds
Zulu time (seconds since midnight??)
sim/version/
sim/version/sim_build_string[256]
byte
in string
The date and time that this x-plane was built.
sim/version/xplanee_internal_version
int
in integer
The internal build number - it is a unique integer that always increases and is unique with each beta. For example, 10.51b5 might be 105105. There is no guarantee that the build numbe (last 2 digits) are in sync with the official beta number.
sim/version/xplane_internal_version
int
in integer
The internal build number - it is a unique integer that always increases and is unique with each beta. For example, 10.51b5 might be 105105. There is no guarantee that the build numbe (last 2 digits) are in sync with the official beta number.
sim/version/xplm_build_string[256]
byte
in string
The date and time that the XPLM DLL was built.
sim/weapons/
sim/weapons/action_mode[25]
int
in enum
(V10 style!) 0 = In carriage/still in the gun/reloaded, 1 = firing, and 2 = destroyed
sim/weapons/added_mass[25]
float
in unspecified units
Mass in addition to ammo... like the gun itself, and bomb racks.
sim/weapons/armed[25]
int
in enum
0 = safe (will NOT explode), 1 = armed (WILL explode)
sim/weapons/AV_msc[25]
float
in float
(placeholder)
sim/weapons/bul_area[25]
float
in float
(placeholder)
sim/weapons/bul_muzzle_speed[25]
float
in float
(placeholder)
sim/weapons/bul_rounds[25]
float
in float
(placeholder)
sim/weapons/bul_rounds_per_sec[25]
float
in float
(placeholder)
sim/weapons/cgY[25]
float
in float
(placeholder)
sim/weapons/cgZ[25]
float
in float
(placeholder)
sim/weapons/conv_range[25]
float
in float
(placeholder)
sim/weapons/del_psi[25]
float
in float
(placeholder)
sim/weapons/del_the[25]
float
in unspecified units
Delta to target, for data output
sim/weapons/dist_point[25]
float
in float
(placeholder)
sim/weapons/dist_targ[25]
float
in float
(placeholder)
sim/weapons/elev_rat[25]
float
in unspecified units
Rudder and elevator steering inputs
sim/weapons/firing[25]
int
in enum
0 = not firing, 1 = firing (This is the launcher that the wpn is attached to, for actual wpn status, also check action_mode and/or next_bull_time)
sim/weapons/free_flyer[25]
int
in enum
(V10 style!) Weapon can go fly free...
sim/weapons/fuel_warhead_mass_max[25]
float
in unspecified units
Remember we can have drop tanks
sim/weapons/fuel_warhead_mass_now[25]
float
in float
(placeholder)
sim/weapons/fx_axis[25]
float
in float
(placeholder)
sim/weapons/fy_axis[25]
float
in float
(placeholder)
sim/weapons/fz_axis[25]
float
in unspecified units
Flight-status
sim/weapons/gun_del_psi_deg_max[25]
float
in unspecified units
Aimable guns for c130 Spectre, etc
sim/weapons/gun_del_psi_deg_now[25]
float
in unspecified units
Aimable guns for c130 Spectre, etc